Jul 6, 2016 · Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system. Talk to the experts.

The GM HEI distributor and coil wiring diagram shows the wiring connections between the distributor, the coil, and the ignition module. It provides a clear diagram and color coding for easy identification and troubleshooting of the various wires and components.

Feb 14, 2016 · To wire an HEI just go from the ignition side of the key switch directly to the HEI. There are two terminals one marked IGN and the other TAC. Wires coming out of the HEI body plug into the cap also.

based on the GM HEI module will allow you to get a replacement module nearly anywhere! Notes on wiring for a "points" distributor; There are normally two wires on the "+" terminal on the coil. One is the "resistance" power wire. The other is a wire that supplies power from the starter solenoid “R” terminal, it supplies power only when

New HEI style spark plug wires will be necessary. To check base timing, bring the engine up to normal operating temperature. Disconnect and plug the vacuum hose attached to the vacuum advance. Connect a timing light. Start the engine and check the base timing.

Learn how to properly wire a 350 Chevy HEI distributor for optimal performance. Step-by-step instructions and diagrams included.

The wiring diagram for a HEI distributor plug in a Chevy 350 engine typically consists of four wires. The red wire provides constant 12-volt power to the distributor, usually connected directly to the battery or through a fused ignition switch.

Jan 30, 2018 · If you’re diving into wiring your GM HEI (High Energy Ignition) distributor, you’ve come to the right place! This guide is aimed at Chevrolet enthusiasts who are ready to tackle the wiring task, whether you’re restoring a classic Chevelle, upgrading a Corvette, or simply enhancing your truck’s ignition system.

Wiring Diagram: Having a wiring diagram specifically for your SBC engine is highly recommended. This diagram will guide you in the correct placement of each spark plug wire on the distributor cap, ensuring the correct firing order and cylinder numbering.

There are a lot of fancy ignition systems available for the small block Chevy but the simplest and most cost effective is still the HEI—but it needs a little hopping up to get the job done. A custom built Performance Distributors unit takes care of that.